William heeeick



(No Model.)

W. HBRRIGK. DEVICE FOR DRAWING AIR TUBES INTO PNEUMATIC TIRE GASINGS.

Patented Apr. 26, 1898.

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UNITED STATES PATENT FFICE WILLIAM HERRICK, OF CHICAGO, ILLINOIS, ASSIGNOR TO THE MORGAN dz WRIGHT, OF SAME PLACE.

DEVICE FOR DRAWING AIR-TUBES INTO PNEUMATlC-TIRE CASINGS.

SPECIFICATION forming part of Letters Patent No. 602,847, dated April 26, 1898.

Application filed February 7, 1898. Serial No. 669,313. (No model.)

To alt whom it may concern:

Be it known that I, WILLIAM HERRICK, a citizen of the United States, residing at Chicago, in the county of Cook, in the State of Illinois, have invented a certain new and useful Improvement in Devices for Drawing Inner Air-Tubes into Pneumatic-Tire Casings, of which the following is a specification.

My invention relates to devices or implements for drawing inner air-tubes into hollow or pneumatic tire casings. Illustrations of devices for such purpose are found in Letters Patent of the United States No. 570,142, dated October 27, 1896, and No. 586,853, dated July 20, 1897. The first of said patents comprises a tapering plug, to which the cord is attached, and a conical or tapered sleeve for holding an end of the inner air-tube upon the plug, the cord in such arrangement being provided at one end with a sphericalweight for threading the cord along the annular passage of a pneumatic-tire casing, having an opening at a point along its base. The second of such patents dispenses with the use of a weight at one end of the cord, and for such purpose provides a catch whereby the plug and sleeve can be locked together and primarily used as aweight for threading the cord.

The objects of my invention are to further simplify a device for thus drawing inner airtubes within pneumatic-tire casings; to dispense with projections, such as a catch, tending to retard the ready passage of the device along the annular bore or passage with a pneumatic-tire casing; to avoid the danger of such injury as may happen to the inner air-tube as a result of gripping it between a plug and sleeve, and to provide an extremely simple device which can be employed both for threading the cord and for drawing the inner tube within the tire-casing and which can be rapidlyand conveniently manipulated.

To the attainment of the foregoing and other useful ends my invention contemplates a holder within which an end portion of the inner air-tube can be drawn, and a hitch which is adapted for engaging an end portion of the inner air-tube and which can be operated by the cord, so as to draw the end portion of the inner air-tube within the holder.

In the accompanying drawings, Figure 1 illustrates in perspective the hitch drawn out from the holder and-applied to an end portion of an inner air-tube. Fig. 2 is a like View showing the end portion of the inner tube drawn into the holder by the hitch. Fig. 3 is a section on a larger scale taken centrally and longitudinally through the holder with the hitch drawn out therefrom. Fig. 4 is a like view on a plane at right angles to the plane of Fig. 3, showing the end portion of the inner air-tube drawn by the hitch within the holder. Fig. 5 illustrates a holder with a modified form of hitch.

The holder A, as illustrated, consists of a shell or casing open at one end to receive the end portion of an inner air-tube. The holder A is adapted to traverse the annular bore or passage within a pneumatic-tire casing, and While its external configuration could be straight or of various other forms it preferably tapers from the receiving end of the holder, so that it will readily pass along the passage within a pneumatic-tire casing while drawing an inner air-tube within such passage.

The cord B is connected or provided with a hitch for engaging and drawing an end portion of an air-tube within the holder, a simple and convenient form of hitch being a loop B at one end of the cord. With such arrangement one end of the holder can be closed, with the exception of a couple of small holes or passages a, through which the side portions 1) of the loop can extend and slide, the cord 13 in such case being connected with or merged into the loop outside of the holder. The holder can be made sufficiently heavy to constitute a weight for primarily threading the cord within the tire-casing, and to facilitate its passage its receiving end, which is ahead during such preliminary operation, is beveled or rounded, as at a. During the operation of drawing the inner air-tube within the tire-casing, however, the opposite smaller end of the holder will be ahead.

In order to draw an inner tube within a pneumatic-tire casing, the loop can be drawn within the holder and the latter can be introduced within the casing at an opening therein, and by suitably manipulating the casing the holder can be caused to traverse the annular passage in the casing until it again comes to the opening therein, at which juncture it can be drawn out, thereby threading the cord within the tire-casing and permitting the operator to connect an end of the inner air-tube with the holder. The operator can then draw the loop'out from the receiv ing end of the holder to a suitable extent and cause the loop to engage an end portion of the inner air-tube, as in Fig. 1, after which the operator can draw the loop back within the holder, as in Figs. 2 and 4, and thereby also draw within the holder an end portion of the inner air-tube, which will fold back upon itself, as illustrated. By then drawing upon one end of the cord the entire inner air-tube can be drawn within the tirecasing.

The holder A could be provided at its smaller end with one small centrally-arranged opening similar to one of the openings 02, and the cord B could extend through such opening and have a hitch or loop which could be drawn out from the holder to engage an end of the inner air-tube and then be drawn back within the holder, but with which arrangement the loop would have to be made undesirably small in order to permit it to be drawn within the holder to an extent to draw an end portion of the inner tube therein, it being desirab le in such case that there should be a knot or stop on the cord at the point of junction between the main length of the cord and the loop, so as to prevent the cord from being accidentally detached from the holder and to 3 avoid the labor of threading the cord through the holder whenever it might become accidentally detached therefrom.

As a preferred arrangementand matter of further improvement, therefore, I desirably provide a large or long loop which is threaded through a couple of holes in one end of the holder, whereby the loop can be drawn out from the holder to a considerable extent, as in Fig. 1, and thereby not only be more conveniently applied to the inner air-tube, but also be drawn well within the holder, so as to draw within the holder a suitable extent of the folded end portion of the inner air-tube. With this arrangement the cord can have a knot or stop I) at the point between the loop and main length of cord, in which way, while the loop can have all desirable extent of longitudinal play through the holes a, it cannot become detached from the holder. The space or recess a within the holder is also desirably tapered inwardly or back from its open receiving end, whereby when an end portion of the inner tube is drawn within such space or recess it will wedge therein.

The form of hitch could be modified and still be adapted for engaging the inner tube, but I prefer as a matter of special improvement to form thehitch of a loop such as illustrated. A modified form of hitch, however, is illustrated in Fig. 5, wherein the operatingcord and the said hitch are provided by first inserting a cord through the hole a and then f drawing it back through the opening a and 1 knotting or otherwise enlarging the end, as

illustrated.

WVhat I claim as my invention is 1. A device for drawinginner air-tubes into pneumatic-tire casings, comprising a holder adapted to receive an end portion of an inner air-tube and further adapted to traverse the annular bore orpassage within a pneumatictire casing; a hitch which can be extended from one end of the holder, and caused to take a hold upon an end portion of the inner lair-tube and then drawn back so as to draw such end of the inner tube within the holder; and a cord by which the hitch can be thus drawn back, substantially as set forth.

2. A device for drawing inner air-tubes into pneumatic-tire casings, comprising a holder adapted to receive an end portion of an inner air-tube and further adapted to traverse the annular bore or passage of a pneumatic-tire casing; a hitch consisting of a loop adapted for taking hold of an end portion of an inner air-tube and arranged to be both drawn out from and drawn back within the holder for the purpose set forth; and a cord by which i the loop can be drawn back within the holder,

substantially as described.

'3. A device for drawing inner tubes into pneumatic'tire casings comprising a holder adapted to traverse the annular bore or passage of a pneumatic-tire casing and recessed back from one end to receive an end portion =of an inner air-tube; a hitch comprising a 'loop which is threaded to slide through the opposite end of the holder and arranged to be drawn out from the receiving end of the holder so as to permitit to engage an end portion of an inner tube, and also to be drawn within the holder so as to draw the end portion of the inner tube within such holder; and a cord formed or connected with a portion of the loop which extends from the end of the holder opposite the receiving end thereof, substantially as described.

4. A device for drawing inner tubes into pneumatic-tire casings comprising a cord B provided with a loop B, and a holder A provided with a recess extending back from one end and adapted to receive an end portion of an inner tube, and further provided with bores or passages a, through which the loop is threaded, substantially as described.

WILLIAM HERRIOK.

Witnesses:

lVIARGARET M. WAGNER, ARTHUR F. DURAND.

SOC 

